I have a directed acyclic graph and an origin vertex v in that graph.
How can I visit all the vertices that are reachable from v, in such a way that if I visit v1 I already visited all the vertices ...

The title is a mouthful but basically I'm getting an error of "expression must have a pointer-to-class type" on me trying to access a string getter from an object pointer in a vector iterator. I've ...

i'm trying to write a program to show that two graphs are not isomorphic. one of the quality of isomorphic graphs are that: two graphs have the same length of circuts .i mean that if two graphs have ...

When a node is deleted from a biconnected graph, the graph remain is still connected.
The question is does deleting any single node from a biconnected graph necessarily result in a biconnected graph?
...

This is my first post here. I came here because I have a grand plan this fall to build a simple website that takes data from a websites API and puts it into charts that are listed on my website. I am ...

I saw a question in codechef where the objective is to select edges from a graph such that selected edges do not form a cycle and also product of weights of all the selected edges is maximum.In the ...

I have plotted a graph using Matplotlib.
Now I want to know a value of y coordinate from the graph providing a particular value of x coordinate. These value were not supplied in x and y arrays as in:
...

I want to get the intersection point of a curve I plotted with the x-axis.
I don't have the equation of the curve. I only have the discrete values and I plotted them. Is there a way to do this easily ...

In the following code i check if the graph contain's cycle or not and it is working 100%, but i do want to modify it so instead of printing Yes, i want it to print the first node of the repetition of ...

I'm generating vertical boxplots in SAS using SGPLOT procedure, following is the code. I cannot order the boxplots by various categories, I'd like to order them by ascending mean of the variable being ...

I have streams with relations with categories and users, but those relations are optional relations. So streams should not always be related to a category or user, it may just related to a category ...

http://jsfiddle.net/eM6jU/200/
Uncaught TypeError: Cannot read property 'neighbours' of undefined.
it is emanating from the following loop, any idea why is this happening?
cola.js line 3332
**Watch ...

I'd like to know how to generate random network graphs with a specific number of nodes and edges in PHP. I've scoured the web tirelessly and even came across this SO question but the answers were for ...

I have a table with latitude and longitude data. What I want to do is plot it on the map so that I can visualize the locations a user has visited. In my table I have userid, latitude and longitude of ...

Here is my previous question about finding next bit permutation. It occurs to me that I have to modify my code to achieve something similiar to next bit permutation, but quite different.
I am coding ...

I have the 3D coordinates of a set of vertices as well as the list of edges connecting them. I would like to identify the sets of vertices which form the faces of the object.
I've tried treating the ...

I am using matplotlib.pyplot to create a bargraph and saving a image in a same file but in different functions. But the issue is coming that while plotting/saving my image it is also adding the bar ...

I have a graph structure with a root node, several container nodes (I'll call them lvl1) each containing hundreds of thousands of content nodes (lvl2). The content nodes may be linked with arbitrary ...

i am developing an Android app. In this app i implement the Nanohtppd server in which i response a few files via assets. In this files i want to have some graphs but the problem cames when i display ...

I need to save some graphs and Rdata in a loop-like behaviour. I have made a short example of what I need done. My problem is in my code the graph just overwrites each other, so I guess I am having ...

please anyone suggest me a GUI tool for Rexster server / titan graph database. I tried to use built-in Doghouse (part of Rexster), but i want to have a more features like editinig/import/export, etc.
...

i write a code for showing two graphs which the same degree of vertices are equal. but i don't know why it doesn't work correctly and give incorrect answer.for example :for two graphs like:
[0 1 1 0 ...

I am trying to plot a network graph that has 3,296 edges and 2,893,873 ties. This is taking a long time. Are there any specific ways of increasing the speed of plotting graphs? Currently I am using ...

I have been creating a website that displays live data from a TI sensor tag in a table. The data is sent to a mysql server, from which it is fetched using a php script and put into a json file (which ...

I am working on a project which involves a complex hierarchy of documents, some of which are prerequisites for the project to proceed to a new phase, all of which have authors, approvers.
I'm trying ...